package quchong;

import org.apache.hadoop.io.IntWritable;
import org.apache.hadoop.io.LongWritable;
import org.apache.hadoop.io.Text;
import org.apache.hadoop.mapreduce.Mapper;

import java.io.IOException;

public class Map extends Mapper < LongWritable, Text,Text,Text>{

    protected void map(LongWritable key, Text value, Context context) throws IOException, InterruptedException {
       Text line = value;
       context.write(line, new Text(""));





       }
    }

